Adam L. Soroca to Sell 21,529 MGNI Shares

Adam L. Soroca reports a proposed sale of 21,529 shares of Common stock, consisting of Restricted Stock to be sold through Morgan Stanley Smith Barney LLC on 02/15/2026.

Rhea-AI Filing Summary

Adam L. Soroca reports a proposed sale of 21,529 shares of Common stock, consisting of Restricted Stock to be sold through Morgan Stanley Smith Barney LLC on 02/15/2026. The filing also discloses 16,656 shares sold on 12/17/2025 as sales during the past three months.

Insights

Securities Counsel

Routine Form 144 sale notice for restricted shares; disclosure-focused, not an offering.

The filing lists 21,529 shares of Restricted Stock planned for sale on 02/15/2026 through Morgan Stanley Smith Barney LLC. This is a regulatory notice required for certain controlled or affiliate dispositions rather than a company-initiated financing.

Timing and cash-flow treatment are not detailed beyond the sale date; subsequent transaction reports will show whether the planned sale occurred and any proceeds realized.

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What does the MGNI Form 144 filed by Adam L. Soroca report?

It reports a proposed sale of 21,529 shares of Common stock. The filing lists these as Restricted Stock to be sold through Morgan Stanley Smith Barney LLC on 02/15/2026, and notes 16,656 shares sold on 12/17/2025 in the prior three months.

Who is designated as the broker for the MGNI sale in the Form 144?

Morgan Stanley Smith Barney LLC is named as the broker. The filing identifies Morgan Stanley Smith Barney LLC, New York, as the intermediary for the proposed sale of 21,529 restricted shares on 02/15/2026.

Are the shares in the MGNI Form 144 described as restricted or unrestricted?

The shares are described as Restricted Stock. The Form 144 entry for the proposed sale on 02/15/2026 explicitly labels the securities as Restricted Stock, indicating transfer limitations under securities law or company agreements.

How many MGNI shares were reported sold in the past three months in this filing?

The filing reports 16,656 shares sold on 12/17/2025. That sale appears under the "Securities Sold During The Past 3 Months" section and is listed separately from the 21,529 shares proposed for sale on 02/15/2026.

AI-generated analysis. How Rhea-AI works. Not financial advice.

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Accepted by SEC EDGAR 02/18/2026 - 04:34 PM Learn about SEC filing dates

Form 144 Filer Information	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 144 NOTICE OF PROPOSED SALE OF SECURITIES PURSUANT TO RULE 144 UNDER THE SECURITIES ACT OF 1933
FORM 144

144: Filer Information

Filer CIK	0001725125
Filer CCC	XXXXXXXX
Is this a LIVE or TEST Filing?	LIVE TEST
Submission Contact Information
Name
Phone
E-Mail Address

144: Issuer Information

Name of Issuer	MAGNITE, INC.
SEC File Number	001-36384
Address of Issuer	1250 Broadway, 9th Floor New York NEW YORK 10001
Phone	(212) 243-2769
Name of Person for Whose Account the Securities are To Be Sold	ADAM L SOROCA
See the definition of "person" in paragraph (a) of Rule 144. Information is to be given not only as to the person for whose account the securities are to be sold but also as to all other persons included in that definition. In addition, information shall be given as to sales by all persons whose sales are required by paragraph (e) of Rule 144 to be aggregated with sales for the account of the person filing this notice.
Relationship to Issuer	Officer

144: Securities Information

Title of the Class of Securities To Be Sold	Name and Address of the Broker	Number of Shares or Other Units To Be Sold	Aggregate Market Value	Number of Shares or Other Units Outstanding	Approximate Date of Sale	Name the Securities Exchange
Common	Morgan Stanley Smith Barney LLC Executive Financial Services 1 New York Plaza 8th Floor New York NY 10004	21529	258348.00	143647869	02/18/2026	NASDAQ

Furnish the following information with respect to the acquisition of the securities to be sold and with respect to the payment of all or any part of the purchase price or other consideration therefor:

144: Securities To Be Sold

Title of the Class	Date you Acquired	Nature of Acquisition Transaction	Name of Person from Whom Acquired	Is this a Gift?	Date Donor Acquired	Amount of Securities Acquired	Date of Payment	Nature of Payment *
Common	02/15/2026	Restricted Stock	ISSUER			21529	02/15/2026	Not Applicable

* If the securities were purchased and full payment therefor was not made in cash at the time of purchase, explain in the table or in a note thereto the nature of the consideration given. If the consideration consisted of any note or other obligation, or if payment was made in installments describe the arrangement and state when the note or other obligation was discharged in full or the last installment paid.

Furnish the following information as to all securities of the issuer sold during the past 3 months by the person for whose account the securities are to be sold.

144: Securities Sold During The Past 3 Months

Name and Address of Seller	Title of Securities Sold	Date of Sale	Amount of Securities Sold	Gross Proceeds
ADAM L SOROCA 1250 Broadway, 9th Floor New York NY 10001	Common	12/17/2025	16656	283152.00

144: Remarks and Signature

Remarks
Date of Notice	02/18/2026
Date of Plan Adoption or Giving of Instruction, If Relying on Rule 10b5-1	08/18/2025
ATTENTION:
The person for whose account the securities to which this notice relates are to be sold hereby represents by signing this notice that he does not know any material adverse information in regard to the current and prospective operations of the Issuer of the securities to be sold which has not been publicly disclosed. If such person has adopted a written trading plan or given trading instructions to satisfy Rule 10b5-1 under the Exchange Act, by signing the form and indicating the date that the plan was adopted or the instruction given, that person makes such representation as of the plan adoption or instruction date.
Signature	/s/ Adam Lee Soroca
ATTENTION: Intentional misstatements or omission of facts constitute Federal Criminal Violations (See 18 U.S.C. 1001)